import { reqCartList, reqDeleteCartById, reqCheckCartById } from '@/api'

const state = {
  cartList: []
}
const mutations = {
  GETCARTLIST(state, cartList) {
    state.cartList = cartList
  }
}
const actions = {
  //获取购物车数据
  async getCartList({ commit }) {
    let result = await reqCartList()
    if (result.code === 200) {
      commit('GETCARTLIST', result.data)
    }
  },
  //删除购物车商品
  async deleteCartById({ commit }, skuId) {
    let result = await reqDeleteCartById(skuId)
    if (result.code === 200) {
      return 'OK'
    } else {
      return Promise.reject(new Error('fail'))
    }
  },
  //删除全部已选中的商品
  deleteAllChecked({ getters, dispatch }) {
    let PromiseAll = []
    //获取购物车中全部产品
    getters.cartList.cartInfoList.forEach((item) => {
      let promise = item.isChecked === 1 ? dispatch('deleteCartById', item.skuId) : ''
      PromiseAll.push(promise)
    })
    return Promise.all(PromiseAll)
  },
  //更改商品选中属性
  async checkCartById({ commit }, { skuId, isChecked }) {
    let result = await reqCheckCartById(skuId, isChecked)
    if (result.code === 200) {
      return 'OK'
    } else {
      return Promise.reject(new Error('fail'))
    }
  },
  //修改全选状态
  updateAllChecked({ dispatch, state }, isChecked) {
    let promiseAll = []
    state.cartList[0].cartInfoList.forEach((item) => {
      let promise = dispatch('checkCartById', { skuId: item.skuId, isChecked })
      promiseAll.push(promise)
    })
    return Promise.all(promiseAll)
  }
}
const getters = {
  cartList(state) {
    return state.cartList[0] || {}
  }
}

export default {
  state,
  mutations,
  actions,
  getters
}
